2) Spatial mode control of radiation generated by frequency difference in periodically poled crystals in PHYSICAL REVIEW LETTERSBy: Giusfredi G., Mazzotti D., Cancio P., De Natale P. Year: 2001 (IF.: 6.668 Cit.: 14 DOI: 10.1103/PhysRevLett.87.113901)
3) High-sensitivity spectroscopy of CO2 around 4.25 mu m with difference-frequency radiation in OPTICS AND LASERS IN ENGINEERINGBy: Mazzotti D., Giusfredi G., Cancio P., De Natale P. Year: 2002 (IF.: 0.745 Cit.: 16 DOI: 10.1016/S0143-8166(01)00082-3)
4) Generation of tunable green radiation in bulk periodically poled KTiOPO4 in OPTICS AND LASERS IN ENGINEERINGBy: Zeppini P., Cancio P., Giusfredi G., Mazzotti D., Arie A., Rosenman G., De Natale P. Year: 2002 (IF.: 0.745 Cit.: 7 DOI: 10.1016/S0143-8166(01)00138-5)
5) Low-power Lamb-dip spectroscopy of very weak CO2 transitions near 4.25 mu m in OPTICS LETTERSBy: Mazzotti D., Borri S., Cancio P., Giusfredi G., De Natale P. Year: 2002 (IF.: 3.511 Cit.: 23 DOI: 10.1364/OL.27.001256)
6) Power-boosted difference-frequency source for high-resolution infrared spectroscopy in APPLIED PHYSICS B-LASERS AND OPTICSBy: Borri S., Cancio P., De Natale P., Giusfredi G., Mazzotti D., Tamassia F. Year: 2003 (IF.: 2.012 Cit.: 25 DOI: 10.1007/s00340-003-1133-7)
7) Difference-frequency generation as a precise tool for high-resolution spectroscopy in PROCEEDINGS OF SPIEBy: Borri S., Cancio P., Giusfredi G., Mazzotti D., De Natale P. Year: 2003 ( DOI: 10.1117/12.518101)
8) Frequency-comb-based absolute frequency measurements in the mid-infrared with a difference-frequency spectrometer in OPTICS LETTERSBy: Mazzotti D., Cancio P., Giusfredi G., De Natale P., Prevedelli M. Year: 2005 (IF.: 3.599 Cit.: 59 DOI: 10.1364/OL.30.000997)
9) Present status of the fine-structure frequencies of the 2(3)P helium level in CANADIAN JOURNAL OF PHYSICS (PRINT)By: Giusfredi G., Cancio P., De Natale P., Mazzotti D., de Mauro C., Fallani L., Hagel G., Krachmalnicoff V., Inguscio M. Year: 2005 (IF.: 0.581 Cit.: 49 DOI: 10.1139/p04-075)
10) A comb-referenced difference-frequency spectrometer for cavity ring-down spectroscopy in the 4.5 mu m region in JOURNAL OF OPTICS A-PURE AND APPLIED OPTICSBy: Mazzotti D., Cancio P., Castrillo A., Galli I., Giusfredi G., De Natale P. Year: 2006 (IF.: 1.604 Cit.: 11 DOI: 10.1088/1464-4258/8/7/S28)

